Lens: Prizm Interchangeable Lens: yes Technical Features: HDO (high definition optics), Dual-pane lens with F3 anti-fog coating, cylindrical lens, eyeglass compatible, interchangable lens Frame: O Matter Chassis Face Size: medium, large We rock the Oakley Line Miner Prizm Goggle to make sure we have a full range of vision when we're eyeing up our next line. Its cylindrical shape sits close to the face to provide extensive downward and side visibility, while the Prizm lens separates color for sharp definition.